Finding the Fourth Proportional to 86,395.30, 119,221.67 and 48,159.02
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Solution
The fourth proportional to 86,395.30, 119,221.67 and 48,159.02 is: 66,457.31
Step by Step Solution
- Step 1: Write the proportion equation
86,395.30 : 119,221.67 = 48,159.02 : x - Step 2: Convert to fraction form
86,395.30/119,221.67 = 48,159.02/x - Step 3: Cross multiply
86,395.30x = 119,221.67 × 48,159.02 - Step 4: Simplify right side
86,395.30x = 5,741,599,208.42 - Step 5: Solve for x
x = 5,741,599,208.42/86,395.30 - Step 6: Final answer
x = 66,457.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.